PDB entry 2iga

View 2iga on RCSB PDB site
Description: Structure of Homoprotocatechuate 2,3-Dioxygenase from B. fuscum in complex with reactive intermediates formed via in crystallo reaction with 4-nitrocatechol at low oxygen concentrations.
Class: oxidoreductase
Keywords: oxygenase, extradiol, Fe(II), homoprotocatechuate, alkylperoxo intermediate, substrate-semiquinone, open-ring product, OXIDOREDUCTASE
Deposited on 2006-09-22, released 2007-04-24
The last revision prior to the SCOPe 2.08 freeze date was dated 2011-07-13, with a file datestamp of 2011-05-08.
Experiment type: XRAY
Resolution: 1.95 Å
R-factor: 0.185
AEROSPACI score: 0.47 (click here for full SPACI score report)

Chains and heterogens:

  • Chain 'A':
    Compound: homoprotocatechuate 2,3-dioxygenase
    Species: Brevibacterium fuscum [TaxId:47914]
    Gene: hpcd
    Database cross-references and differences (RAF-indexed): Domains in SCOPe 2.08: d2igaa1, d2igaa2
  • Chain 'B':
    Compound: homoprotocatechuate 2,3-dioxygenase
    Species: Brevibacterium fuscum [TaxId:47914]
    Gene: hpcd
    Database cross-references and differences (RAF-indexed): Domains in SCOPe 2.08: d2igab1, d2igab2
  • Chain 'C':
    Compound: homoprotocatechuate 2,3-dioxygenase
    Species: Brevibacterium fuscum [TaxId:47914]
    Gene: hpcd
    Database cross-references and differences (RAF-indexed): Domains in SCOPe 2.08: d2igac1, d2igac2
  • Chain 'D':
    Compound: homoprotocatechuate 2,3-dioxygenase
    Species: Brevibacterium fuscum [TaxId:47914]
    Gene: hpcd
    Database cross-references and differences (RAF-indexed): Domains in SCOPe 2.08: d2igad1, d2igad2
  • Heterogens: FE2, CL, CA, XXP, XX3, XX2, OXY, GOL, HOH

PDB Chain Sequences:

  • Chain 'A':
    Sequence, based on SEQRES records: (download) 
    >2igaA (A:)
msneipkpvapapdilrcayaelvvtdlaksrnfyvdvlglhvsyedenqiylrsfeefi
hhnlvltkgpvaalkamafrvrtpedvdkaeayyqelgcrterrkdgfvkgigdalrved
plgfpyefffetthverlhmrydlysagelvrldhfnqvtpdvprgrkyledlgfrvted
iqddegttyaawmhrkgtvhdtaltggngprlhhvafsthekhniiqicdkmgalrisdr
iergpgrhgvsnafylyildpdnhrieiytqdyytgdpdnptitwnvhdnqrrdwwgnpv
vpswyteaskvldldgnvqeiiertddselevtigadgfsftragdedgsyhgqaskgfk
lgnql

    Sequence, based on observed residues (ATOM records): (download) 
    >2igaA (A:)
eipkpvapapdilrcayaelvvtdlaksrnfyvdvlglhvsyedenqiylrsfeefihhn
lvltkgpvaalkamafrvrtpedvdkaeayyqelgcrterrkdgfvkgigdalrvedplg
fpyefffetthverlhmrydlysagelvrldhfnqvtpdvprgrkyledlgfrvtediqd
degttyaawmhrkgtvhdtaltggngprlhhvafsthekhniiqicdkmgalrisdrier
gpgrhgvsnafylyildpdnhrieiytqdyytgdpdnptitwnvhdnqrrdwwgnpvvps
wyteaskvldldgnvqeiiertddselevtigadgfsftragdedgsyhgqaskgfklg

  • Chain 'B':
    Sequence, based on SEQRES records: (download) 
    >2igaB (B:)
msneipkpvapapdilrcayaelvvtdlaksrnfyvdvlglhvsyedenqiylrsfeefi
hhnlvltkgpvaalkamafrvrtpedvdkaeayyqelgcrterrkdgfvkgigdalrved
plgfpyefffetthverlhmrydlysagelvrldhfnqvtpdvprgrkyledlgfrvted
iqddegttyaawmhrkgtvhdtaltggngprlhhvafsthekhniiqicdkmgalrisdr
iergpgrhgvsnafylyildpdnhrieiytqdyytgdpdnptitwnvhdnqrrdwwgnpv
vpswyteaskvldldgnvqeiiertddselevtigadgfsftragdedgsyhgqaskgfk
lgnql

    Sequence, based on observed residues (ATOM records): (download) 
    >2igaB (B:)
eipkpvapapdilrcayaelvvtdlaksrnfyvdvlglhvsyedenqiylrsfeefihhn
lvltkgpvaalkamafrvrtpedvdkaeayyqelgcrterrkdgfvkgigdalrvedplg
fpyefffetthverlhmrydlysagelvrldhfnqvtpdvprgrkyledlgfrvtediqd
degttyaawmhrkgtvhdtaltggngprlhhvafsthekhniiqicdkmgalrisdrier
gpgrhgvsnafylyildpdnhrieiytqdyytgdpdnptitwnvhdnqrrdwwgnpvvps
wyteaskvldldgnvqeiiertddselevtigadgfsftragdedgsyhgqaskgfklg

  • Chain 'C':
    Sequence, based on SEQRES records: (download) 
    >2igaC (C:)
msneipkpvapapdilrcayaelvvtdlaksrnfyvdvlglhvsyedenqiylrsfeefi
hhnlvltkgpvaalkamafrvrtpedvdkaeayyqelgcrterrkdgfvkgigdalrved
plgfpyefffetthverlhmrydlysagelvrldhfnqvtpdvprgrkyledlgfrvted
iqddegttyaawmhrkgtvhdtaltggngprlhhvafsthekhniiqicdkmgalrisdr
iergpgrhgvsnafylyildpdnhrieiytqdyytgdpdnptitwnvhdnqrrdwwgnpv
vpswyteaskvldldgnvqeiiertddselevtigadgfsftragdedgsyhgqaskgfk
lgnql

    Sequence, based on observed residues (ATOM records): (download) 
    >2igaC (C:)
eipkpvapapdilrcayaelvvtdlaksrnfyvdvlglhvsyedenqiylrsfeefihhn
lvltkgpvaalkamafrvrtpedvdkaeayyqelgcrterrkdgfvkgigdalrvedplg
fpyefffetthverlhmrydlysagelvrldhfnqvtpdvprgrkyledlgfrvtediqd
degttyaawmhrkgtvhdtaltggngprlhhvafsthekhniiqicdkmgalrisdrier
gpgrhgvsnafylyildpdnhrieiytqdyytgdpdnptitwnvhdnqrrdwwgnpvvps
wyteaskvldldgnvqeiiertddselevtigadgfsftragdedgsyhgqaskgfklg

  • Chain 'D':
    Sequence, based on SEQRES records: (download) 
    >2igaD (D:)
msneipkpvapapdilrcayaelvvtdlaksrnfyvdvlglhvsyedenqiylrsfeefi
hhnlvltkgpvaalkamafrvrtpedvdkaeayyqelgcrterrkdgfvkgigdalrved
plgfpyefffetthverlhmrydlysagelvrldhfnqvtpdvprgrkyledlgfrvted
iqddegttyaawmhrkgtvhdtaltggngprlhhvafsthekhniiqicdkmgalrisdr
iergpgrhgvsnafylyildpdnhrieiytqdyytgdpdnptitwnvhdnqrrdwwgnpv
vpswyteaskvldldgnvqeiiertddselevtigadgfsftragdedgsyhgqaskgfk
lgnql

    Sequence, based on observed residues (ATOM records): (download) 
    >2igaD (D:)
eipkpvapapdilrcayaelvvtdlaksrnfyvdvlglhvsyedenqiylrsfeefihhn
lvltkgpvaalkamafrvrtpedvdkaeayyqelgcrterrkdgfvkgigdalrvedplg
fpyefffetthverlhmrydlysagelvrldhfnqvtpdvprgrkyledlgfrvtediqd
degttyaawmhrkgtvhdtaltggngprlhhvafsthekhniiqicdkmgalrisdrier
gpgrhgvsnafylyildpdnhrieiytqdyytgdpdnptitwnvhdnqrrdwwgnpvvps
wyteaskvldldgnvqeiiertddselevtigadgfsftragdedgsyhgqaskgfklg